Permission for use required, except for non-commercial educational use with an included credit. Contact Williamson College of the Trades, George Heckler Archive with usage questions.

Contributing Institution

Williamson College of the Trades (formerly Williamson Free School of Mechanical Trades)

Sponsorship

This Digital Object is provided in a collection that is included in POWER Library: Pennsylvania Photos and Documents, which is funded by the Office of Commonwealth Libraries of Pennsylvania/Pennsylvania Department of Education.